Home / 14,124.64-21,188.40-4,888.48

Finding the Fourth Proportional to 14,124.64, 21,188.40 and 4,888.48

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Solution

The fourth proportional to 14,124.64, 21,188.40 and 4,888.48 is: 7,333.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,124.64 : 21,188.40 = 4,888.48 : x
  2. Step 2: Convert to fraction form
    14,124.64/21,188.40 = 4,888.48/x
  3. Step 3: Cross multiply
    14,124.64x = 21,188.40 × 4,888.48
  4. Step 4: Simplify right side
    14,124.64x = 103,579,069.63
  5. Step 5: Solve for x
    x = 103,579,069.63/14,124.64
  6. Step 6: Final answer
    x = 7,333.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.